NXP BT139/800 TRIAC 800V 16A Power Thyristor (TO 220, AC Switching)

The NXP BT139/800 is a high power TRIAC thyristor designed for AC power switching, phase control and electronic load regulation. Featuring an 800V repetitive peak off-state voltage and 16A RMS on-state current rating, this bidirectional semiconductor device is suitable for motor speed controllers, light dimmers, heater regulators and industrial switching circuits. Its TO 220 through-hole package allows PCB mounting and heatsink installation for applications requiring effective thermal management.

Key Features -

• NXP BT139/800 power TRIAC

• 800V repetitive peak off-state voltage

• 16A RMS on-state current rating

• Bidirectional AC current switching

• Gate controlled semiconductor operation

• TO 220 through-hole package

• Suitable for AC phase angle control

• High current load switching capability

• Supports motor speed and heater regulation

• Suitable for industrial power electronics

• Compatible with suitable TRIAC driver circuits

Specifications -

• Brand: NXP

• Part Number: BT139/800

• Product Type: Power TRIAC Thyristor

• Semiconductor Type: Bidirectional Triode Thyristor

• Repetitive Peak Off-State Voltage: 800V

• RMS On-State Current: 16A

• Non Repetitive Surge Current: Up to 155A Under Specified Conditions

• Gate Trigger Current: Dependent on Exact Device Variant

• Switching Type: Bidirectional AC Switching

• Package Type: TO 220

• Mounting Type: Through Hole

• Number of Terminals: 3

• Main Terminals: MT1 and MT2

• Control Terminal: Gate

• Application: AC Power Switching and Phase Control

Applications -

• AC motor speed controllers

• Light dimmer circuits

• Electric heater controllers

• Fan speed regulators

• Industrial AC switching systems

• Temperature control equipment

• Household appliance control circuits

• AC power regulators

• Solid state switching circuits

• Industrial automation equipment

• Electronic power control systems

• Phase angle control circuits